Lamp.



w. s. HAMM.

LAMP.

(Application filed Apr. 20, 1901.)

(liu Model.)

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h A TTORNEY.

UNITED STATES PATENT OFFICE.

WILLIAM S. HAMM, OF CHICAGO, ILLINOIS, ASSIGNOR TO ADAMS da WESTLAKECOMPANY, A CORPORATION OF ILLINOIS.

LAM P.

SPEGLFMZAIIIINF forming part of Letters Patent N o. 690,275, datedDecember 31, 1901.

Application leii April 20, 1901.

To all whom, it may concern:

Be it known that I, WILLIAM S. HAMM, a citizen of the United States, anda resident of Chicago, countyT of Cook, and State of Illinois, haveinvented .certain new and useful Improvements in Lamps, of which thefollowing is a specification, and which are illus: trated in theaccompanying drawings, forming a partV thereof. A

My invention relates to improvements in lamps, and is particularlyadapted for `use in burning acetylene gas, which requires a thor'- oughventilation of the lamp in order that the gas led to the burners may notbecome heated before being consumed, although, as will be obvious, itmay be employed for burning ordinary illuminating-gas.

The lamp is of the type known as wall or panel lamps, being designed tobe placed along the paneling or side of railway-cars, for which purposethe present invention has especial reference, or against the wall of achamber or other room.

The objects of the invention are generally to provide an ornamental andattractive lamp which shall be simple in construction and compact inform, so as to utilize as little space as possible, and one which may besuccessfully used for burning acetylene gas.

The invention consists, in general terms, in a body comprising a concavereflector and a glass front, the two forming a flame-charnber and beingspaced apart at their edges to provide ample ventilation.

It consists, further, in various details of construction relating to the'lamp-body and its means of support, as hereinafter disclosed.

The embodiment of the invention is illustrated in the accompanyingdrawings, in which Figure 1 is a vertical section of the lamp. Fig. 2 isa side and Fig. 3 a front elevation, respectively, of the lamp. Figs. 4and 5 are details of construction, the former showing the hinge for thefront or lens part of the lamp and the latter the latch or catch forsecuring the lens when closed.

The essential parts of the lamp consist of a concave reflector 10 and aglass front 11, preferably of the same contour as the reflector,providing between them a flame-cham- Serial No. 56,750- (No model.)

VWhile with View to symmetry the flange 16 is continued entirely aroundthe lamp, the upper portion only is depended upon for the performance ofthe function mentioned.

The reflector 10 and the front 11 are suitably spaced at their edges, asillustratediu Fig. 1, to insure a proper ventilation all around thelamp, thus providing for the ready entrance of air at the bottom andsides and the equally ready escape of the heated air and products ofcombustion at the top.

The front 11 is carried bya frame consist -ing of a band 17,' having itsinner edge olfset, as at 18, to form a seat for the glass, the outermember 19 of the frame being'riveted or otherwise suitably secured tothe band 17, and an insulating-band 20 is interposed between the member19 and the edge of the glass.

In order to avoid the interference of drafts of air with the llame, aband 21 isinterposed in the Ventilating-space between the reflector andthe edge of the front and is held in position by brackets 22, secured tothe flaring flange 16, which in addition to supporting the band 21 alsoprovides means for spacing the reflector and the front, the frame of thelatter when closed resting against their free ends. The band 2l isV-shaped in crosssection, the apex of the V being pointed into theiiame-chamber. By this arrangement and construction the band 2l not onlyserves to prevent the emission of light through the ventilatingspace,but it also breaks up the aircurrents entering at the sides and bottomof the lamp, so that the flame will not be disturbed by drafts. It isaided in attaining this result by its peculiar formationthat is to say,because of its channeled form it is more effective in breaking up theair-currents entering from the outside than would be a flat ring, and,on the other hand, its diverging walls offer little resistance to theescaping heated air and products of combustion, so that a constant andthorough circulation is always kept up.

The lamp is attached to the wall or panel of the car or room by a ring23 of sufiicient width to properly space the back of the lamp orreflector l0 from the wall or panel and provide an air-space to preventthe scorching of the woodwork.

Attached to the outer edge of the ring 23 are two or more brackets 24,which receive the outwardly-extending flange I6 of the reflector 10, alayer 25 of bezinnen-conducting material, such as asbestos, beinginterposed between the flange 16 and the brackets and the three partsbeing secured together by screws 26, which also enter and secure thebrackets 22,supportingthe deflecting-band'Zl. If desired, the brackets24 may form lugs of a ring of the same configuration as the flange 16,as shown. The ring 23 may have a series of apertures closed by jewels27, and for the purpose of ornamentation and for adding to theattractiveness of the lamp provision is made forillu minatin g thesejewels', asby cutting in the reflector l0A near its edge a series ofopenings 28. By means of the brackets 24 the reflector l0 is spaced fromthe ring 23, whereby ample ventilation is provided to carry off the heatconducted through the reflector.

The front glass frame is hinged at 29 at the side to an arm 37,projecting from one of the brackets 24, and at the opposite side isprovided with a spring-catch 30, which engages,when the front is closed,one wall of the band 2l. A finger 31 passes through an aperture in thebracket 24 at that side of the lamp and is provided with a head 33 and aflange 34 to prevent-itfrom being withdrawn or falling out of thebracket. Theinner end of this finger is beveled, as shown at 32, and auinthrust of the finger against the spring-catch 30 disengages the latterfrom the band 2l. The gas is controlled by a key 35, projecting throughan aperture 36 in the ring 23.

While I have described and illustrated my lamp as elliptical in shape,its general form is immaterial and may be varied as desired.

I claim as my invention- 1. In a lamp, in combination, aconcavereflector, and a glass front covering the face of the reflector andforming therewith a damechamber, the reflector and front being spacedapart to provide a passage constituting the air-induction port andsmoke-flue of the lamp.

2. In a gas-lamp, in combination, areflector, a glass front spaced atits edge therefrom, and providing a passage therewith constituting theair-induction port and smoke-flue of the lamp; and a deflecting-flangeintegrall y with the reflector and extending over the .glass front atthe top of the lamp, the edge of flange formed on the reflector andprojecting over the space between the reflector and the edge of thefront, the edge of the reflector overhanging such passage at the top.

4. In a gas-lamp, in combination, a reflector, a glass front spacedtherefrom and forming with the reector a flame-chamber, and adefiecting-band supported, in the space between the front and thereflector.

5. In a gas-lamp, in combination, a reflector, a glass front spacedtherefrom and frming with the reflector a flame-chamber, and a bandsupported in the space between the front and the reflector, and havingits outer face channeled.

6. In a gas-lamp, in combination, a reflector, a glass front spaced atits edge therefrom and forming with the reflector a flame-chamber, and aband supported in the space between the edge of the front and thereflector, the band being V-shaped in cross-section and the wallsthereof diverging from the flamechamber.

7. In a gas-lamp, in combination, a concave reflector, a glass frontspaced therefrom and forming with the reflector a flame-chamber, aflange projecting over the space between the reflector and the front,and a deflectlng-band supported in the space between the reflector andthe front.

8. In a gas-lamp, in combination,- a concave reflector, a glass frontspaced from and hinged'thereto and forming with the reflector aflame-chamber,and brackets for spacing the front and the reflector, thefront,when closed being seated against the spacing'braekets'.

9. In a gas-lamp, in combination, a concave reflector, a glass frontforming with the reflector a flame-chamber, a ring, and means forsecuring the reflector to and spacing it from the ring, the said ringbeing located at the rear of the reflector and interposed between thelat-ter and the wall or other support to which the lamp may be secured.

10. In a gas-lamp, in combination, a concave reflector, a glass frontforming with the reflector a flame-chamber, an apertured ring, means forsecuring the reflector to the ring, the said ring being located at therear of the reflector and spacing the same from the wall or othersupport to which the lamp may be secured, andapertures through thereflector for admitting light from the flame-chamber to the interior ofthe ring.

11. In a gas-lamp, in combination, a concave reflector, a hingedglassfront spaced at its edge from and forming with the reflector aflame-chamber, a flange projecting from the IIO reflector and over thespace between the re- Ilector and the front, brackets secu red to theflange and against which the front is seated when closed, and a bandsupported by the 5 brackets in the space between the reflector tween thereilector and the edge of the front, a deIlecting-band supported in thespace between the front and the reflector, a catch carried by the frontfor engaging the delectingband, and a pin for disengaging the catch fromthe deecting-band.

14. In a gas-lamp, in combination, a reflector, a glass front coveringthe face of the reflector and forming therewith a flame-chamber, a Ventfor the products of combustion at the top of the flame-chamber, and ahood projecting forwardly over the flamechamber vent for deflecting thevapors away from the wall.

WILLIAM S. HAMM. Witnesses:

E. M. KLATOHER, LOUIS K. GILLsoN.

